Distance
170 mi
Duration
5h 40m
Checkpoints
8
Road type
Mountain scenic
Region
Mountain West
Length
Day trip (100+ miles)
Surface
Paved - modern
Intensity
Moderate
Season
Summer
Winter status
Sometimes closed
About
This route takes you along one of the most stunning stretches of the Lewis & Clark Trail, winding its way through the rugged Rocky Mountains of Idaho and Montana. The drive mixes history with jaw-dropping scenery, towering peaks, thick forests, and river valleys.
The road
The Nez Perce Route in Lewiston, Mountain West is graded at 1,425 corners, about 8.4 for every mile you drive. 19 of them are genuinely tight, and the sharpest turns in at an 8 m radius. The longest straight runs 3.0 miles, so there is room to breathe between the technical sections.
- Graded corners
- 1,425
- Tight (1–2)
- 19
- Tightest radius
- 8 m
- Corners per mile
- 8.4
Corners are graded from the road’s own geometry on the rally 1–6 scale, where 1 is a hairpin. Road & Rally calls them out as you drive.
Checkpoints
8
Checkpoints · Members only
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Fastest times
No one has a time on this road yet. Drive it start to finish in the Road & Rally app and the first run sets the record.
